Nematode-Resistant Oil Radish for Heterodera schachtii Control

Koch, D. W.; Gray, F. A.; Krall, James M.

doi:10.5274/jsbr.35.1.63

Cited by 13 publications

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“…Such plants have been used in some studies to control cyst nematode populations (Cooke, 1985;Gardner and Caswell-chen, 1993;Koch et al, 1998;Krall et al, 2000;Scholte, 2000a,b;Scholte and Vos, 2000;Turner and Stone, 1981). However, on soybean cyst nematode only a few such studies have been conducted.…”

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confidence: 99%

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Effect of red clover on hatching and population density of Heterodera glycines (Tylenchida: Heteroderidae)

2002

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In order to assess the efficacy of red clover as a trap crop of Heterodera glycines, rates of hatching of H. glycines eggs in the root leachate, penetration of red clover roots by H. glycines juveniles and their development in the roots, and the effect of planting red clover on soil infestation of H. glycines were investigated. The rate of hatching of H. glycines eggs in the root leachate from red clover was significantly lower than the rates in the leachate from host plants but significantly higher than the rates in distilled water and in the leachate from fallow soil (no plants) and non-host plants. The number of second-stage juveniles that penetrated red clover roots was similar to the number that penetrated soybean roots, but only a few second-stage juveniles developed into third-or fourth-stage juveniles and none developed into adults in red clover roots. The population density of H. glycines in soil in which red clover had been planted decreased significantly compared with that in fallow soil (no plants) in both pot and field plot tests. From the results of these experiments, it was concluded that the use of red clover as a trap crop is a promising method for controlling H. glycines. Jpn. J. Nematol. 32 (2), 69-76 (2002).

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confidence: 99%

“…For the beet cyst nematode (Heterodera schachtii), such trap crops have been successfully developed and have been used practically (Hafez and Sundararaj, 1998;Koch et al, 1998;Koch and Gray, 1997;Krall et al, 2000). Scholte (2000a) screened Solanum nigrum and S. sisymbriifolium from a lot of solanaceous plants as potential trap crops for potato cyst nematode.…”

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Effect of red clover on hatching and population density of Heterodera glycines (Tylenchida: Heteroderidae)

2002

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“…While effects of fall-incorporated radish on the following year's sugarbeet stands and yield are mixed (Koch and Gray, 1997;Krall et al, 1996), radish effects on sugarbeet cyst nematode are not (Hafez and Sundararaj, 2000;Koch and Gray, 1997). The radish stimulates nematode egg hatching and root invasion but hinders cyst development, thereby reducing nematode population density for succeeding sugarbeet.…”

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confidence: 99%

“…In a northwestern Wyoming study, oilseed radish affected neither sugarbeet stands (implying no reduction in crusting) nor the incidence of sugarbeet diseases (Koch and Gray, 1997). Similarly, Allison et al (1998), in a review of 17 studies conducted in England, found that cover crops did not affect sugarbeet plant populations.While effects of fall-incorporated radish on the following year's sugarbeet stands and yield are mixed (Koch and Gray, 1997;Krall et al, 1996), radish effects on sugarbeet cyst nematode are not (Hafez and Sundararaj, 2000;Koch and Gray, 1997). The radish stimulates nematode egg hatching and root invasion but hinders cyst development, thereby reducing nematode population density for succeeding sugarbeet.…”

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Oilseed Radish Effects on Soil Structure and Soil Water Relations

Lehrsch¹,

Gallian²

2010

JSBR

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Oilseed radish (Raphanus sativus spp. oleifera) reduces sugarbeet cyst nematode (Heterodera schachtii) populations. Fall-incorporated radish biomass may also increase the yield and quality of subsequently grown sugarbeet (Beta vulgaris L.) by improving soil physical and hydraulic properties. This field study determined radish effects on nearsurface soil aggregate stability, water-stable aggregate size distribution, bulk density, and field-saturated water content, as well as infiltration and hydraulic conductivity measured at water supply potentials of -40, -20, and +0 mm H 2 O. In 2003 and 2004 in Twin Falls, ID, radish were grown in a Portneuf silt loam (Durinodic Xeric Haplocalcid) for about 10 weeks in the fall, then incorporated later that fall by disking, followed by moldboard plowing. In early May of the following year, sugarbeet were planted, irrigated, then harvested for yield and quality. In the spring and fall of each sugarbeet growing season, soil samples were collected from two depths, 0 to 5 and 5 to 50 mm, on which we measured aggregate stability and size distribution by wet sieving. Soil cores were collected from 0 to 34 mm to measure bulk density. Also in spring and fall, we used ponded and tension infiltrometers placed in the row to measure steadystate, unconfined infiltration rates and, from those rates, to Additional key words: Raphanus sativus, cover crop, Beta vulgaris, aggregate stability, infiltration rate, hydraulic conductivity W ater use efficiency is increased by improving soil water relations, such as infiltration or water retention, for crops grown in rotation. Adding oilseed radish (Raphanus sativus spp. oleifera) as a temperate-region, non-legume green manure into crop rotations with barley (Hordeum vulgare L.), wheat (Triticum aestivum L.), potato (Solanum tuberosum L.), and/or sugarbeet (Beta vulgaris L.) may enhance soil water relations.Green manures are crops that, while still green or soon after maturity, are incorporated into soil to improve the soil's physical, chemical, or biological properties and thereby increase the succeeding crop's yield, quality, or both (Cherr et al., 2006). Additions of organic matter, including that from an incorporated green manure, are commonly thought to increase soil organic carbon, aggregate stability, infiltration, and hydraulic conductivity (Martens and Frankenberger, 1992). Amendments can also reduce bulk density, alter soil pore size distributions, reduce a soil's susceptibility to erosion, and slow the formation of surface seals and crusts, thereby maintaining infiltration rates and thus delaying runoff (Bresson et al., 2001;Edmeades, 2003;Haynes & Naidu, 1998). Organic amendment effects on a soil's water-holding capacity (WHC) may or may not occur (Głąb and Kulig, 2008;MacRae and Mehuys, 1985). Adding organic matter may increase both the field capacity and permanent wilting point, resulting in little or no net change (Haynes & Naidu, 1998). Alternatively, such additions may decrease WHC, due to decreases in bulk density and chang...

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